HiFi 6N11 Tube Stereo Preamplifier Board Copy X-10D Musical Fidelity Preamp

You also can replace the 6N11 Tube with /6922/6DJ8/E88CC/ECC88. Input/output signal 1:1, 6N11 Tube X 2. 6N11 Tube x 2. Assembled X-10D preamp board x 1. Frequency sound: 10Hz~100KHz (±0.2db).

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